The Titanic star and vocal climate change activist, is already invested in a number of ventures. His portfolio includes garbage recyclying startup Rubicon Global, data analytics company Qloo, mattress maker Casper, Diamond Foundry, and food startup LoveTheWild, according to Crunchbase.

Another marquee backer of Mindmaze is India’s Hinduja Group, which had led a $100 million funding round in February last year.

One of Mindmaze’s product is the MASK headset, which uses neurotics to enhance the emotional experience of virtual reality. It also makes MindMotion Pro, a virtual environment therapy for rehabilitation, which has been approved by the U.S.FDA.